/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:   8 bits for alpha, red, green and blue component in a pixel.

*

*/

#ifndef TMID8888FORMAT_H

#define TMID8888FORMAT_H

//  INCLUDES

#include "TMIDFormatConverter.h"

//  CONSTANTS

const TUint32 K8888AMax = 0xFF000000;

const TUint32 K8888RMax = 0x00FF0000;

const TUint32 K8888GMax = 0x0000FF00;

const TUint32 K8888BMax = 0x000000FF;

const TInt KBytesPerPixel8888 = 4;

//  CLASS DEFINITION

/**

 * 8 bits for alpha, red, green and blue component in a pixel (0xAARRGGBB).

 *

 * note that this class does not use external alpha bitmap, use

 * TMID888AFormat for that.

 *

 */

NONSHARABLE_CLASS(TMID8888Format):  public TMIDFormatConverter

{

public: //  initialization

    void InitializeL(const TMIDBitmapParameters& aParameters);

public: // from TMIDFormatConverter

    // Convert from internal to int

    TUint32 ConvertInternal(const TMIDInternalARGB& aInternal);

    // Convert from int to internal

    void Convert(TMIDInternalARGB& aResult, TUint32 aColor) const;

    // Get pixel from current position

    void GetPixel(TMIDInternalARGB& aResult) const;

    // Get alpha which is in same format as bitmap

    TUint8 GetAlpha() const;

    // Get pixel with alpha values

    void GetPixelWithAlpha(TMIDInternalARGB& aResult) const;

    // Plot pixel to current position

    void PlotPixel(const TMIDInternalARGB& aInternal);

    // Checks is alpha calculation needed

    TBool IsAlpha()

    {

        return ETrue; /* always alpha */

    }

    // Set bitmap

    void SetBitmap(TUint32* aBitmap)

    {

        iBitmap = aBitmap;

    }

    // Get bitmap

    TUint32* Bitmap()

    {

        return iBitmap;

    }

protected: // from TMIDFormatConverter

    // checks how many pixels is occupied and is last pixel in that limit

    TBool CheckSize(TInt aPixelSize, TInt aLastDrawnPixelOffset);

private: // data

    TUint32* iBitmap;

};

#endif // TMID8888FORMAT_H